Beginners Guide to Processing 18650 Cells | Cell Database


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Panasonic CGR18650 Cell Specifications
#1
Warning: The information in this thread was obtained from various sources on the Internet, including any datasheets linked below, and is provided for reference only. It is not guaranteed to be accurate. To prevent fire or personal injury, never charge or discharge a cell before verifying the information yourself using the original specifications sheet provided by the manufacturer.

Brand:Panasonic
Model:CGR18650
Capacity:1400mAh Rated
Voltage:3.70V Nominal
Charging:4.20V Maximum
910mA Standard
--- mA Maximum
Discharging:3.00V Cutoff
260mA Standard
1560mA Maximum
Description:Pink Cell Wrapper
Black Insulator Ring
18650 Form Factor

Data References:
http://www.206xs.com/topics/battery/iontd2e.pdf

Pictures:
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#2
Having never read a spec sheet before is this saying that to get optimal mAh you need to discharge at about 260 mA?
Would discharging at higher currents dramatically decrease the capacity?
I ask because I have a ton of these testing rather low but I'm discharging at around 500Ma.
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#3
(07-22-2017, 05:55 AM)Daggerzz Wrote: Having never read a spec sheet before is this saying that to get optimal mAh you need to discharge at about 260 mA?
Would discharging at higher currents dramatically decrease the capacity?
I ask because I have a ton of these testing rather low but I'm discharging at around 500Ma.

Having cataloged so many cells, it seems when these companies test cells they test at 0.2C to get the "standard discharge rate" and capacity. I don't think testing at 500mA would give a substantial difference, if there even is a difference at all. If you pull up the spec sheet, there is a graph showing capacity over various discharge rates.
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